\begin{frame}{中文字体测试}
    \begin{itemize} % [<+- | alert@+>]
        \item 缺省字体，
            \textbackslash textbf \textbf{粗体}，
            \textbackslash textit \textit{斜体}
        \item \textbackslash alert \alert{警示字体}，
            \textbackslash emph \emph{强调字体}
        \item \textbackslash textbf \{\textbackslash textrm\{\}\}
            \textbf{\textrm{粗仿宋}}，
            \textbackslash textrm \textrm{仿宋}
        \item \textbackslash textbf \{\textbackslash texttt\{\}\}
            \textbf{\texttt{粗黑体}}，
            \textbackslash texttt \texttt{黑体}
        \item \textbackslash textbf \textbf{\kai{粗楷体}}，
            \textbackslash kai \kai{楷体}
    \end{itemize}
\end{frame}
